<?phpclass AddressDataAccess extends AddressDABase{	public function removeAdress($user_id) {		try {			// Get db object			$dbWriter = $this->getDbWriter();							$arrElement = array();			if(!empty($user_id))			{				$arrElement[] = " customerId = {$user_id}";			}										// Execute query			$rowCount = $dbWriter->delete($this->tableName, $arrElement);							// Return boolean result			if ($rowCount > 0) {				return true;			}			else {				return false;			}		}		catch (Exception $ex) {			throw $ex;		}	}}